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Vulnerability record · public intelligence
CVE-2025-0840
MEDIUM

GNU Binutils objdump.c disassemble_bytes stack-based overflow

Published Jan 29, 2025 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.75%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

GNU Binutils objdump.c disassemble_bytes stack-based overflow

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

A vulnerability, which was classified as problematic, was found in GNU Binutils up to 2.43. This affects the function disassemble_bytes of the file binutils/objdump.c. The manipulation of the argument buf leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.44 is able to address this issue. The identifier of the patch is baac6c221e9d69335bf41366a1c7d87d8ab2f893. It is recommended to upgrade the affected component.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-293997 | GNU Binutils objdump.c disassemble_bytes stack-based overflow ↗
  2. VDB-293997 | CTI Indicators (IOB, IOC, IOA) ↗
  3. Submit #485255 | GNU binutils/objdump 2.43 Buffer Overflow ↗
  4. sourceware.org ↗
  5. sourceware.org ↗
  6. sourceware.org ↗
  7. www.gnu.org ↗

Record history

Published Jan 29, 2025 · Last refreshed Nov 3, 2026

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